package top.igotcha.demo01;

/**
 * @author Gotcha
 * @date 2021/6/15
 * @describe
 */
//操作系统版本
public abstract class OperatingSystemVersion {

    protected VideoFile videoFile;

    public OperatingSystemVersion(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    public abstract void play(String fileName);
}
